Container closure



FIG. 1 is an upper perspective view of the container closure, showing my new design in a non-piercing position;

FIG. 2 is a lower perspective view thereof;

FIG. 3 is a top plan view thereof, shown without the cap portion;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an upper perspective view of the container closure, showing my new design in a piercing position; and,

FIG. 6 is a side view thereof, on a reduced scale, showing my container closure in use and in an environment.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a container closure, as shown and described. 